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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
static char *ReadLine(char *p, size_t size, FILE *fp)
{
if ((p=fgets(p, size, fp)))
{
size_t l = strlen(p);
while(l && p[l-1] == '\n')
{
p[--l] = 0;
}
}
return p;
}
int main(void)
{
char buff[0x8000];
char *signal[10] = {0};
char *digit[4] = {0};
int sum = 0;
int f = 0;
while(ReadLine(buff, sizeof buff, stdin))
{
for(f = 0; f < 10; f++)
{
signal[f] = strtok(f == 0 ? buff : NULL, " |");
}
for(f = 0; f < 4; f++)
{
size_t len;
digit[f] = strtok(NULL, " |");
len = strlen(digit[f]);
if (len == 2 || len == 4 || len == 3 || len == 7)
{
sum++;
}
}
}
printf("sum = %d\n", sum);
return 0;
}
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